-3(a-1)=2(3a-12)

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Solution for -3(a-1)=2(3a-12) equation:


Simplifying
-3(a + -1) = 2(3a + -12)

Reorder the terms:
-3(-1 + a) = 2(3a + -12)
(-1 * -3 + a * -3) = 2(3a + -12)
(3 + -3a) = 2(3a + -12)

Reorder the terms:
3 + -3a = 2(-12 + 3a)
3 + -3a = (-12 * 2 + 3a * 2)
3 + -3a = (-24 + 6a)

Solving
3 + -3a = -24 + 6a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-6a' to each side of the equation.
3 + -3a + -6a = -24 + 6a + -6a

Combine like terms: -3a + -6a = -9a
3 + -9a = -24 + 6a + -6a

Combine like terms: 6a + -6a = 0
3 + -9a = -24 + 0
3 + -9a = -24

Add '-3' to each side of the equation.
3 + -3 + -9a = -24 + -3

Combine like terms: 3 + -3 = 0
0 + -9a = -24 + -3
-9a = -24 + -3

Combine like terms: -24 + -3 = -27
-9a = -27

Divide each side by '-9'.
a = 3

Simplifying
a = 3

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